\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Cross-Candidate Communication, Affective Polarization (Traits) and In-Party Candidate Support\label{tab:ccXaptfmc}}
\begin{tabular}{l*{3}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   \\
                &In-Group Affect   &Out-Group Affect   &Difference   \\
                &      b/p   &      b/p   &      b/p   \\
\hline
Candidate Support&            &            &            \\
RCV Comp.       &    0.010   &    0.225   &    0.310   \\
                &  (0.991)   &  (0.872)   &  (0.233)   \\
RCV Comp. + Endorse&   -2.202** &   -0.503   &   -1.095***\\
                &  (0.005)   &  (0.665)   &  (0.000)   \\
Out Traits      &    1.688   &            &            \\
                &  (0.205)   &            &            \\
RCV Comp. x Out Traits&    0.604   &            &            \\
                &  (0.756)   &            &            \\
RCV Comp. + Endorse x Out Traits&    1.902   &            &            \\
                &  (0.244)   &            &            \\
In Traits       &            &    2.054   &            \\
                &            &  (0.225)   &            \\
RCV Comp. x In Traits&            &    0.076   &            \\
                &            &  (0.976)   &            \\
RCV Comp. + Endorse x In Traits&            &   -1.442   &            \\
                &            &  (0.480)   &            \\
Diff. Traits    &            &            &   -0.352   \\
                &            &            &  (0.748)   \\
RCV Comp. x Diff. Traits&            &            &   -0.395   \\
                &            &            &  (0.803)   \\
RCV Comp. + Endorse x Diff. Traits&            &            &   -2.125   \\
                &            &            &  (0.120)   \\
Constant        &    1.428*  &    1.068   &    2.261***\\
                &  (0.025)   &  (0.264)   &  (0.000)   \\
\hline
Psuedo R$^2$    &     0.09   &     0.08   &     0.08   \\
\textit{N}      &     1765   &     1765   &     1765   \\
\hline\hline
\end{tabular}
\end{table}
